| 8mm波段二维综合孔径微波辐射计(BHU-2D) |
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| 引用本文： | 薛永,苗俊刚,万国龙.8mm波段二维综合孔径微波辐射计(BHU-2D)[J].北京航空航天大学学报,2008,34(9):1020-1023. |
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| 作者姓名： | 薛永 苗俊刚 万国龙 |
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| 作者单位： | 北京航空航天大学 电子信息工程学院, 北京 100191 |
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| 基金项目： | 国家自然科学基金，教育部跨世纪优秀人才培养计划 |
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| 摘 要： | 介绍了二维综合孔径微波辐射计BHU-2D成像原理、系统构成及性能指标、校正方法、部分成像实验及其成像结果.BHU-2D工作在8mm波段,共有10个接收单元,天线阵列为T形结构,接收机为二次变频超外差结构,I/Q解调及相关运算采用了数字方式并通过软件实现,采用点辐射源校正方法及背景对消反演算法校正系统通道间不一致、相关偏置及混叠误差.目前,BHU-2D已经研制完成,并进行了系统测试及成像实验,得到了室内人工场景及人物场景的辐射亮温分布图像.
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| 关 键 词： | 微波辐射计 二维综合孔径 8mm波段 BHU-2D |
| 收稿时间： | 2007-08-16 |
8 mm band 2-dimensional synthetic aperture microwave radiometer(BHU-2D) |
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| Xue Yong,Miao Jungang,Wan Guolong.8 mm band 2-dimensional synthetic aperture microwave radiometer(BHU-2D)[J].Journal of Beijing University of Aeronautics and Astronautics,2008,34(9):1020-1023. |
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| Authors: | Xue Yong Miao Jungang Wan Guolong |
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| Institution: | School of Electronics and Information Engineering, Beijing University of Aeronautics and Astronautics, Beijing 100191, China |
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| Abstract: | The imaging principle,system structure and characteristics,calibration approach,several imaging experiments and imaging results of 2-dimensional synthetic aperture microwave radiometer BHU-2D(BeiHang University 2-Dimensional) were presented.BHU-2D operates at 8 mm wave band and has 10 receiving channels.The antenna array of BHU-2D is T-shape;receivers' configuration is super heterodyne and has two down converters.I/Q demodulation and correlation of BHU-2D were carried out with digital method and by software... |
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| Keywords: | BHU-2D |
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